Consideration of Multi-coil Type Magnetization System for Magnetic Particle Testing of Omnidirectional Crack in All Surfaces of 3D Shape Test Object

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  • 立体形状試験体の全面で全方向傷の磁粉探傷試験が可能なマルチコイル型磁化システムの検討
  • リッタイ ケイジョウ シケンタイ ノ ゼンメン デ ゼン ホウコウショウ ノ ジフンタンショウ シケン ガ カノウ ナ マルチコイルガタ ジカ システム ノ ケントウ
  • Consideration of multi‐coil type magnetization system for magnetic particle testing of omnidirectional crack in all surfaces of 3D shape test object

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<p>Mechanical parts, plants and cross-linkages inspected with magnetic-particle testing (MT) are typically complex 3D shapes. In complex 3D shape portions, because a magnetizer often cannot be configured to inspection portions and the test object cannot be appropriately magnetized, there is a possibility of overlooking a crack in such an instance. Thus, MT system development that was successfully able to detect omnidirectional cracks in 3D shape portions was considered in this study's trials. Two multi-coil type magnetizers were hence arranged face-to-face, and the magnetization of omnidirectional scenarios for all surfaces of 3D shape test object was evaluated.</p>

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